Home / 27,288,905.40-40,838,879.70-25,021,423.80

Finding the Fourth Proportional to 27,288,905.40, 40,838,879.70 and 25,021,423.80

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Solution

The fourth proportional to 27,288,905.40, 40,838,879.70 and 25,021,423.80 is: 37,445,507.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288,905.40 : 40,838,879.70 = 25,021,423.80 : x
  2. Step 2: Convert to fraction form
    27,288,905.40/40,838,879.70 = 25,021,423.80/x
  3. Step 3: Cross multiply
    27,288,905.40x = 40,838,879.70 × 25,021,423.80
  4. Step 4: Simplify right side
    27,288,905.40x = 1,021,846,916,490,917
  5. Step 5: Solve for x
    x = 1,021,846,916,490,917/27,288,905.40
  6. Step 6: Final answer
    x = 37,445,507.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.